FR2698753B1 - Method for digital transmission of hierarchical HDTV, EDTV and SDTV television signals. - Google Patents

Method for digital transmission of hierarchical HDTV, EDTV and SDTV television signals.

Info

Publication number
FR2698753B1
FR2698753B1 FR9314321A FR9314321A FR2698753B1 FR 2698753 B1 FR2698753 B1 FR 2698753B1 FR 9314321 A FR9314321 A FR 9314321A FR 9314321 A FR9314321 A FR 9314321A FR 2698753 B1 FR2698753 B1 FR 2698753B1
Authority
FR
France
Prior art keywords
edtv
digital transmission
television signals
sdtv
hdtv
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9314321A
Other languages
French (fr)
Other versions
FR2698753A1 (en
Inventor
Fazel Kahled Dr
Michael Ruf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR filed Critical Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Publication of FR2698753A1 publication Critical patent/FR2698753A1/en
Application granted granted Critical
Publication of FR2698753B1 publication Critical patent/FR2698753B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0098—Unequal error protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/39—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data
FR9314321A 1992-11-30 1993-11-30 Method for digital transmission of hierarchical HDTV, EDTV and SDTV television signals. Expired - Fee Related FR2698753B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4240226A DE4240226C2 (en) 1992-11-30 1992-11-30 Process for the digital transmission of hierarchical HDTV, EDTV and SDTV television signals

Publications (2)

Publication Number Publication Date
FR2698753A1 FR2698753A1 (en) 1994-06-03
FR2698753B1 true FR2698753B1 (en) 1996-07-05

Family

ID=6474003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9314321A Expired - Fee Related FR2698753B1 (en) 1992-11-30 1993-11-30 Method for digital transmission of hierarchical HDTV, EDTV and SDTV television signals.

Country Status (3)

Country Link
US (1) US5467132A (en)
DE (1) DE4240226C2 (en)
FR (1) FR2698753B1 (en)

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US5757821A (en) * 1996-07-22 1998-05-26 Telefonaktiebolaget Lm Ericsson Method and apparatus for detecting communication signals having unequal error protection
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US5847760A (en) * 1997-05-22 1998-12-08 Optibase Ltd. Method for managing video broadcast
JP3493985B2 (en) * 1997-11-26 2004-02-03 安藤電気株式会社 Video communication evaluation device
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JP3728578B2 (en) 1999-03-31 2005-12-21 富士通株式会社 Non-uniform error protection method in multi-carrier transmission and its encoder and decoder
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JP3753678B2 (en) * 2002-06-28 2006-03-08 Ｎｅｃマイクロシステム株式会社 Multi-level image encoding / decoding device
US7577207B2 (en) * 2002-07-03 2009-08-18 Dtvg Licensing, Inc. Bit labeling for amplitude phase shift constellation used with low density parity check (LDPC) codes
US7020829B2 (en) * 2002-07-03 2006-03-28 Hughes Electronics Corporation Method and system for decoding low density parity check (LDPC) codes
US7864869B2 (en) 2002-07-26 2011-01-04 Dtvg Licensing, Inc. Satellite communication system utilizing low density parity check codes
US20040019845A1 (en) * 2002-07-26 2004-01-29 Hughes Electronics Method and system for generating low density parity check codes
US8204079B2 (en) 2002-10-28 2012-06-19 Qualcomm Incorporated Joint transmission of multiple multimedia streams
US20040083417A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Multimedia transmission using variable error coding rate based on data importance
US20040083495A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Mulitmedia transmission using variable gain amplification based on data importance
US7359311B1 (en) 2003-04-18 2008-04-15 Cisco Technology, Inc. Decoding method and apparatus using channel state information for use in a wireless network receiver
US20040207884A1 (en) * 2003-04-18 2004-10-21 Chen Steven H. User programmable fax machine to screen unwanted transmissions
JP2007503734A (en) * 2003-08-22 2007-02-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Backward compatible multi-carrier transmission system
US7613985B2 (en) * 2003-10-24 2009-11-03 Ikanos Communications, Inc. Hierarchical trellis coded modulation
KR100520159B1 (en) * 2003-11-12 2005-10-10 삼성전자주식회사 Apparatus and method for interference cancellation of ofdm system using multiple antenna
WO2007075098A1 (en) * 2005-12-26 2007-07-05 Intel Corporation Generalized multi-threshold decoder for low-density parity check codes
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CN101091319B (en) * 2004-12-29 2013-01-02 英特尔公司 Multilevel low density parity-check
US7856584B2 (en) * 2005-03-30 2010-12-21 Intel Corporation Unequal error protection apparatus, systems, and methods
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Also Published As

Publication number Publication date
FR2698753A1 (en) 1994-06-03
DE4240226C2 (en) 1996-12-12
DE4240226A1 (en) 1994-06-01
US5467132A (en) 1995-11-14

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